default to use registry.ping.pub for ibc file retrievals

.env.example

@@ -1,4 +1,22 @@
 # rename to .env.local or .env.<your_environment>
-VITE_REFRESH_INTERVAL=2000
-VITE_FETCH_ALL_BLOCKS=true
-VITE_RECENT_BLOCK_LIMIT=100
+
+# Refresh interval for the app to query api for new blocks
+VITE_REFRESH_INTERVAL=6000
+
+# Enable fetching all blocks (this can increase api calls to public nodes resulting in rate limiting)
+VITE_FETCH_ALL_BLOCKS=false
+
+# Limit for recent blocks and associated transactions displayed in the UI
+VITE_RECENT_BLOCK_LIMIT=50
+
+# URL for CoinGecko API or custom proxy
+VITE_COINGECKO_URL=https://api.coingecko.com
+
+# GITHUB_API_URL default
+VITE_GITHUB_API_URL=https://api.github.com/repos/cosmos/chain-registry/contents
+
+# PINGPUB_API_URL default
+VITE_PINGPUB_API_URL=https://registry.ping.pub
+
+# IBC use PINGPUB_API_URL by Default (false) or GITHUB_API_URL (true)
+VITE_IBC_USE_GITHUB_API=false

env.d.ts

@@ -1,3 +1,16 @@
 /// <reference types="vite/client" />
 
 declare module '@personaxyz/ad-sdk';
+interface ImportMetaEnv {
+    readonly VITE_REFRESH_INTERVAL?: number,
+    readonly VITE_FETCH_ALL_BLOCKS?: boolean,
+    readonly VITE_RECENT_BLOCK_LIMIT?: number,
+    readonly VITE_COINGECKO_URL?: string,
+    readonly VITE_GITHUB_API_URL?: string,
+    readonly VITE_PINGPUB_API_URL?: string,
+    readonly VITE_IBC_USE_GITHUB_API?: string,
+}
+
+interface ImportMeta {
+    readonly env: ImportMetaEnv;
+}

src/modules/[chain]/ibc/connStore.ts

@@ -6,6 +6,11 @@ import type { IBCData } from '@chain-registry/types/ibc_data.schema';
 import router from '@/router';
 import fetch from 'cross-fetch';
 
+const IBC_USE_GITHUB_API = import.meta.env.VITE_IBC_USE_GITHUB_API === 'true';
+const PINGPUB_API_URL = import.meta.env.VITE_PINGPUB_API_URL || 'https://registry.ping.pub'
+const GITHUB_API_URL = import.meta.env.VITE_GITHUB_API_URL || 'https://api.github.com/repos/cosmos/chain-registry/contents';
+const IBC_API_URL = IBC_USE_GITHUB_API ? GITHUB_API_URL : PINGPUB_API_URL;
+
 export const useIBCModule = defineStore('module-ibc', {
   state: () => {
     return {
@@ -39,6 +44,7 @@ export const useIBCModule = defineStore('module-ibc', {
     load() {
       const client = new ChainRegistryClient({
         chainNames: [this.chainName],
+        baseUrl: IBC_USE_GITHUB_API ? undefined : PINGPUB_API_URL,
       });
       this.fetchIBCUrls().then((res) => {
         res.forEach((element: any) => {
@@ -61,15 +67,21 @@ export const useIBCModule = defineStore('module-ibc', {
       });
     },
     async fetchIBCUrls(): Promise<any[]> {
-      let ibcEndpoint =
-        'https://api.github.com/repos/cosmos/chain-registry/contents/_IBC';
-      if (this.chainName.includes('testnet')) {
-        console.log(this.chainName);
-        ibcEndpoint =
-          'https://api.github.com/repos/cosmos/chain-registry/contents/testnets/_IBC';
+      const prefix = this.chainName.includes('testnet') ? 'testnets/' : '';
+      const ibcEndpoint = new URL(`${prefix}_IBC`, IBC_API_URL + '/').toString();
+      console.log('Fetching IBC URLs from:', IBC_API_URL);
+      let entries = await fetch(ibcEndpoint)
+        .then((res) => res.json())
+        .then((data: any) => Array.isArray(data) ? data.filter((x: any) => x.name.match(this.chainName)) : []);
+
+      // If using PINGPUB_API_URL, add thedownload URLs
+      if (IBC_API_URL == PINGPUB_API_URL) {
+        return entries.map((entry: any) => {
+            entry.download_url = new URL(`${prefix}_IBC/${entry.name}`, PINGPUB_API_URL + '/').toString();
+          return entry;
+        });
       }
-      const entries = await fetch(ibcEndpoint).then((res) => res.json());
-      return entries.filter((x: any) => x.name.match(this.chainName));
+      return entries
     },
     fetchConnection(index: number) {
       const res = this.info[index];

src/types/ibc.ts

@@ -3,13 +3,6 @@ import type { IBCInfo as RegistryIBCInfo } from "@chain-registry/types"
 
 export interface IBCInfo extends RegistryIBCInfo { }
 
-export interface IBCPath {
-  path: string,
-  from?: string,
-  to?: string,
-  url?: string
-}
-
 export interface DenomTrace {
   path: string;
   base_denom: string;