From b1e6cf3087fa105ec732960cbff214319e8a30ca Mon Sep 17 00:00:00 2001
From: woodenfurniture <125113430+woodenfurniture@users.noreply.github.com>
Date: Tue, 7 Jan 2025 11:57:08 +1100
Subject: [PATCH] chore: exhaustiveness for assetNamespace switch

---
 src/lib/coingecko/utils.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/lib/coingecko/utils.ts b/src/lib/coingecko/utils.ts
index 7d956418127..5dac81bf74c 100644
--- a/src/lib/coingecko/utils.ts
+++ b/src/lib/coingecko/utils.ts
@@ -20,6 +20,7 @@ import { getConfig } from 'config'
 import { queryClient } from 'context/QueryClientProvider/queryClient'
 import type { CoinGeckoSortKey } from 'lib/market-service/coingecko/coingecko'
 import type { CoinGeckoMarketCap } from 'lib/market-service/coingecko/coingecko-types'
+import { assertUnreachable } from 'lib/utils'
 
 import { COINGECKO_NATIVE_ASSET_ID_TO_ASSET_ID } from './constants'
 import type {
@@ -65,7 +66,8 @@ const getCoinDetails = async (
       if (!chainId) return
 
       const assetNamespace = (() => {
-        switch (chainId) {
+        const knownChainId = chainId as KnownChainIds
+        switch (knownChainId) {
           case KnownChainIds.BnbSmartChainMainnet:
             return ASSET_NAMESPACE.bep20
           case KnownChainIds.SolanaMainnet:
@@ -86,8 +88,9 @@ const getCoinDetails = async (
           case KnownChainIds.BitcoinCashMainnet:
           case KnownChainIds.DogecoinMainnet:
           case KnownChainIds.LitecoinMainnet:
-          default:
             throw Error(`Unhandled case '${chainId}'`)
+          default:
+            return assertUnreachable(knownChainId)
         }
       })()