setup known keys map to aleviate multiple calls to metamask event bus… (

#147)

CONTRIBUTING.md

@@ -75,6 +75,7 @@ The following steps will get you up and running to contribute to `graz`:
 - `pnpm graz build`: build `graz` package
 - `pnpm install`: install all projects
 - `pnpm dev`: compiles `graz` and start the development server of the example app
+- `pnpm graz cli -g`: compiles `graz` chains, needed for running examples
 - `pnpm project:docs dev`: start the documentation website
 - `pnpm example dev`: start the example app
 

packages/graz/src/actions/wallet/metamask-snap/index.ts

@@ -20,6 +20,12 @@ export interface GetMetamaskSnap {
   params?: Record<string, unknown>;
 }
 
+export interface KnownKeys {
+  [key: string]: Key
+}
+
+const knownKeysMap: KnownKeys = {};
+
 /**
  * Function to return {@link Wallet} object and throws and error if it does not exist on `window`.
  *
@@ -155,7 +161,9 @@ export const getMetamaskSnap = (params?: GetMetamaskSnap): Wallet => {
     };
 
     // getKey from @leapwallet/cosmos-snap-provider return type is wrong
-    const getKey = async (chainId: string): Promise<Key> => {
+    const getKey = async (chainId: string): Promise<Key> => {      
+      if (typeof knownKeysMap[chainId] !== 'undefined') return knownKeysMap[chainId] as Key;
+
       // eslint-disable-next-line @typescript-eslint/no-explicit-any
       const res: any = await ethereum.request({
         method: "wallet_invokeSnap",
@@ -178,9 +186,9 @@ export const getMetamaskSnap = (params?: GetMetamaskSnap): Wallet => {
       // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
       delete res.pubkey;
 
-      return {
-        ...res,
-      } as Key;
+      // Cache the key for future use
+      knownKeysMap[chainId] = res;
+      return knownKeysMap[chainId] as Key;
     };
 
     const getAccount = async (chainId: string): Promise<AccountData> => {