Corey-Code
diff --git a/‎scripts/sync-chain-registry.ts‎
Lines changed: 216 additions & 4 deletions b/‎scripts/sync-chain-registry.ts‎
Lines changed: 216 additions & 4 deletions
@@ -158,6 +158,53 @@ interface WalletAssetConfig {
   type?: 'native' | 'ibc' | 'cw20' | 'factory';
 }
 
+/**
+ * IBC Channel info for cross-chain transfers
+ */
+interface IBCChannelConfig {
+  sourceChainId: string;
+  sourceChainName: string;
+  sourceChannelId: string;
+  sourcePort: string;
+  destChainId: string;
+  destChainName: string;
+  destChannelId: string;
+  destPort: string;
+  status: 'ACTIVE' | 'INACTIVE' | 'UNKNOWN';
+}
+
+/**
+ * Raw IBC data from chain registry (_IBC/*.json)
+ */
+interface ChainRegistryIBCData {
+  chain_1: {
+    chain_name: string;
+    client_id: string;
+    connection_id: string;
+  };
+  chain_2: {
+    chain_name: string;
+    client_id: string;
+    connection_id: string;
+  };
+  channels: Array<{
+    chain_1: {
+      channel_id: string;
+      port_id: string;
+    };
+    chain_2: {
+      channel_id: string;
+      port_id: string;
+    };
+    ordering: string;
+    version: string;
+    tags?: {
+      preferred?: boolean;
+      status?: string;
+    };
+  }>;
+}
+
 /**
  * Fetch JSON from URL with error handling
  */
@@ -224,13 +271,14 @@ function transformChain(chain: ChainRegistryChain): WalletChainConfig | null {
   // Extract relative paths from explorer URLs if they are absolute
   let explorerAccountPath = explorer?.account_page?.replace('${accountAddress}', '{address}');
   let explorerTxPath = explorer?.tx_page?.replace('${txHash}', '{txHash}');
-  
+
   // If the paths are absolute URLs and match the base explorerUrl, extract the relative part
   // This standardizes configs to use relative paths for consistency
   // If the absolute URL has a different domain than explorerUrl, leave it as-is (the helper
   // functions in registry.ts will detect it's absolute and return it directly)
   if (explorer?.url && explorerAccountPath) {
-    const isAbsoluteUrl = explorerAccountPath.startsWith('http://') || explorerAccountPath.startsWith('https://');
+    const isAbsoluteUrl =
+      explorerAccountPath.startsWith('http://') || explorerAccountPath.startsWith('https://');
     if (isAbsoluteUrl) {
       const baseUrl = explorer.url.replace(/\/$/, ''); // Remove trailing slash
       if (explorerAccountPath.startsWith(baseUrl)) {
@@ -239,9 +287,10 @@ function transformChain(chain: ChainRegistryChain): WalletChainConfig | null {
       // else: Different domain - leave as absolute URL, will be handled by helper functions
     }
   }
-  
+
   if (explorer?.url && explorerTxPath) {
-    const isAbsoluteUrl = explorerTxPath.startsWith('http://') || explorerTxPath.startsWith('https://');
+    const isAbsoluteUrl =
+      explorerTxPath.startsWith('http://') || explorerTxPath.startsWith('https://');
     if (isAbsoluteUrl) {
       const baseUrl = explorer.url.replace(/\/$/, '');
       if (explorerTxPath.startsWith(baseUrl)) {
@@ -424,6 +473,157 @@ export function getNativeAsset(chainName: string): RegistryAssetConfig | undefin
 `;
 }
 
+/**
+ * Generate TypeScript code for IBC channels
+ */
+function generateIBCCode(ibcChannels: IBCChannelConfig[]): string {
+  const ibcJson = JSON.stringify(ibcChannels, null, 2)
+    .replace(/"([^"]+)":/g, '$1:')
+    .replace(/"/g, "'");
+
+  return `/**
+ * Cosmos IBC Channel Registry - Auto-generated
+ * 
+ * This file is generated by scripts/sync-chain-registry.ts
+ * Source: https://github.com/cosmos/chain-registry/_IBC
+ * 
+ * DO NOT EDIT MANUALLY - Run \`npm run sync:chains\` to update
+ * 
+ * Generated: ${new Date().toISOString()}
+ */
+
+/**
+ * IBC Channel info for cross-chain transfers
+ */
+export interface IBCChannelConfig {
+  sourceChainId: string;
+  sourceChainName: string;
+  sourceChannelId: string;
+  sourcePort: string;
+  destChainId: string;
+  destChainName: string;
+  destChannelId: string;
+  destPort: string;
+  status: 'ACTIVE' | 'INACTIVE' | 'UNKNOWN';
+}
+
+/**
+ * Pre-bundled IBC channels between enabled chains
+ */
+export const IBC_CHANNELS: IBCChannelConfig[] = ${ibcJson};
+
+/**
+ * Get IBC channels for a source chain
+ */
+export function getIBCChannelsForChain(sourceChainName: string): IBCChannelConfig[] {
+  return IBC_CHANNELS.filter(c => c.sourceChainName === sourceChainName);
+}
+
+/**
+ * Get IBC channel between two chains
+ */
+export function getIBCChannel(sourceChainName: string, destChainName: string): IBCChannelConfig | undefined {
+  return IBC_CHANNELS.find(
+    c => c.sourceChainName === sourceChainName && c.destChainName === destChainName
+  );
+}
+
+/**
+ * Get IBC channels by chain ID
+ */
+export function getIBCChannelsForChainId(sourceChainId: string): IBCChannelConfig[] {
+  return IBC_CHANNELS.filter(c => c.sourceChainId === sourceChainId);
+}
+`;
+}
+
+/**
+ * Fetch IBC connections between chains
+ */
+async function fetchIBCConnections(
+  chains: WalletChainConfig[],
+  chainIdMap: Map<string, string>
+): Promise<IBCChannelConfig[]> {
+  const ibcChannels: IBCChannelConfig[] = [];
+  const chainNames = chains.map((c) => c.chainName);
+  const fetchedPairs = new Set<string>();
+
+  console.log('\n🔗 Fetching IBC connections...\n');
+
+  for (let i = 0; i < chainNames.length; i++) {
+    for (let j = i + 1; j < chainNames.length; j++) {
+      const chain1 = chainNames[i];
+      const chain2 = chainNames[j];
+
+      // IBC files are named alphabetically
+      const names = [chain1, chain2].sort();
+      const pairKey = `${names[0]}-${names[1]}`;
+
+      if (fetchedPairs.has(pairKey)) continue;
+      fetchedPairs.add(pairKey);
+
+      const ibcFileName = `${pairKey}.json`;
+      const url = `${CHAIN_REGISTRY_BASE}/_IBC/${ibcFileName}`;
+
+      const ibcData = await fetchJson<ChainRegistryIBCData>(url);
+      if (!ibcData) continue;
+
+      // Find the preferred/active transfer channel
+      const transferChannel =
+        ibcData.channels.find(
+          (ch) =>
+            ch.chain_1.port_id === 'transfer' &&
+            ch.chain_2.port_id === 'transfer' &&
+            ch.tags?.status === 'live'
+        ) ||
+        ibcData.channels.find(
+          (ch) => ch.chain_1.port_id === 'transfer' && ch.chain_2.port_id === 'transfer'
+        );
+
+      if (!transferChannel) continue;
+
+      // Get chain IDs from our map
+      const chain1Id = chainIdMap.get(ibcData.chain_1.chain_name);
+      const chain2Id = chainIdMap.get(ibcData.chain_2.chain_name);
+
+      if (!chain1Id || !chain2Id) continue;
+
+      // Add both directions
+      ibcChannels.push({
+        sourceChainId: chain1Id,
+        sourceChainName: ibcData.chain_1.chain_name,
+        sourceChannelId: transferChannel.chain_1.channel_id,
+        sourcePort: transferChannel.chain_1.port_id,
+        destChainId: chain2Id,
+        destChainName: ibcData.chain_2.chain_name,
+        destChannelId: transferChannel.chain_2.channel_id,
+        destPort: transferChannel.chain_2.port_id,
+        status: (transferChannel.tags?.status === 'live'
+          ? 'ACTIVE'
+          : 'UNKNOWN') as IBCChannelConfig['status'],
+      });
+
+      ibcChannels.push({
+        sourceChainId: chain2Id,
+        sourceChainName: ibcData.chain_2.chain_name,
+        sourceChannelId: transferChannel.chain_2.channel_id,
+        sourcePort: transferChannel.chain_2.port_id,
+        destChainId: chain1Id,
+        destChainName: ibcData.chain_1.chain_name,
+        destChannelId: transferChannel.chain_1.channel_id,
+        destPort: transferChannel.chain_1.port_id,
+        status: (transferChannel.tags?.status === 'live'
+          ? 'ACTIVE'
+          : 'UNKNOWN') as IBCChannelConfig['status'],
+      });
+
+      process.stdout.write(`  ${pairKey} ✅\n`);
+    }
+  }
+
+  return ibcChannels;
+}
+
 /**
  * Main sync function
  */
@@ -471,9 +671,18 @@ async function syncChainRegistry(chainNames: string[] = DEFAULT_CHAINS) {
     `\n📊 Summary: ${chains.length} chains, ${[...assetsByChain.values()].flat().length} assets\n`
   );
 
+  // Build chain name -> chain ID map for IBC fetching
+  const chainIdMap = new Map<string, string>();
+  chains.forEach((c) => chainIdMap.set(c.chainName, c.id));
+
+  // Fetch IBC connections between chains
+  const ibcChannels = await fetchIBCConnections(chains, chainIdMap);
+  console.log(`\n📊 IBC Summary: ${ibcChannels.length} channel directions\n`);
+
   // Generate code
   const chainsCode = generateChainsCode(chains);
   const assetsCode = generateAssetsCode(assetsByChain);
+  const ibcCode = generateIBCCode(ibcChannels);
 
   // Write files
   const srcDir = path.join(process.cwd(), 'src/lib');
@@ -484,6 +693,9 @@ async function syncChainRegistry(chainNames: string[] = DEFAULT_CHAINS) {
   await fs.writeFile(path.join(srcDir, 'assets/cosmos-registry.ts'), assetsCode, 'utf-8');
   console.log('✅ Generated src/lib/assets/cosmos-registry.ts');
 
+  await fs.writeFile(path.join(srcDir, 'assets/ibc-registry.ts'), ibcCode, 'utf-8');
+  console.log('✅ Generated src/lib/assets/ibc-registry.ts');
+
   console.log('\n🎉 Chain registry sync complete!');
 }