feat(app): no quote available case in quote token calc

unionlabs · Jan 24, 2025 · e4632a2 · e4632a2
1 parent 85e8cdb
commit e4632a2
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Showing 2 changed files with 21 additions and 1 deletion.
diff --git a/typescript-sdk/playground/holesky-to-stargaze.ts b/typescript-sdk/playground/holesky-to-stargaze.ts
@@ -59,6 +59,11 @@ if (quoteToken.isErr()) {
   process.exit(1)
 }
 
+if (quoteToken.value.type === "NO_QUOTE_AVAILABLE") {
+  consola.info("no quote token available")
+  process.exit(1)
+}
+
 consola.info("quote token", quoteToken.value)
 
 const transferArgs = {

diff --git a/typescript-sdk/src/query/offchain/ucs03-channels.ts b/typescript-sdk/src/query/offchain/ucs03-channels.ts
@@ -51,11 +51,20 @@ export type Channel = {
   destination_connection_id: number
 }
 
+function isPositiveInteger(str: string): boolean {
+  return /^[1-9]\d*$/.test(str)
+}
+
 export const getQuoteToken = async (
   source_chain_id: string,
   base_token: string,
   channel: Channel
-): Promise<Result<{ quote_token: string; type: "UNWRAPPED" | "NEW_WRAPPED" }, Error>> => {
+): Promise<
+  Result<
+    { quote_token: string; type: "UNWRAPPED" | "NEW_WRAPPED" } | { type: "NO_QUOTE_AVAILABLE" },
+    Error
+  >
+> => {
   // check if the denom is wrapped
   let wrapping = await ResultAsync.fromPromise(
     request(GRAQPHQL_URL, tokenWrappingQuery, {
@@ -83,6 +92,12 @@ export const getQuoteToken = async (
     }
   }
 
+  // HACK: to check evm vs cosmos we check if te destination chain id  is a number
+  if (!isPositiveInteger(channel.destination_chain_id)) {
+    // we donn't support sending new assets to cosmos chains yet.
+    return ok({ type: "NO_QUOTE_AVAILABLE" })
+  }
+
   // if it is unknown, calculate the quotetoken
   const destinationChainClient = createPublicClient({
     chain: evmChainFromChainId(channel.destination_chain_id),