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OffchainLabs · Oct 3, 2024 · 6cb1b2a · 6cb1b2a
1 parent 7ea184d
commit 6cb1b2a
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Showing 2 changed files with 5 additions and 9 deletions.
diff --git a/src/types/ParentChain.ts b/src/types/ParentChain.ts
@@ -6,9 +6,7 @@ import { chains, nitroTestnodeL3 } from '../chains';
 export type ParentChain = Exclude<(typeof chains)[number], { id: typeof nitroTestnodeL3.id }>;
 export type ParentChainId = ParentChain['id'];
 
-export function isValidParentChainId(
-  parentChainId: number | undefined,
-): parentChainId is ParentChainId {
+function isValidParentChainId(parentChainId: number | undefined): parentChainId is ParentChainId {
   const ids = chains
     // exclude nitro-testnode L3 from the list of parent chains
     .filter((chain) => chain.id !== nitroTestnodeL3.id)

diff --git a/src/utils/getParentChainFromId.ts b/src/utils/getParentChainFromId.ts
@@ -1,15 +1,13 @@
 import { extractChain } from 'viem';
-import { ParentChain, isValidParentChainId } from '../types/ParentChain';
+
 import { chains } from '../chains';
+import { ParentChain, validateParentChain } from '../types/ParentChain';
 
 export function getParentChainFromId(chainId: number): ParentChain {
-  // Just throws if the chainId is not valid
-  if (!isValidParentChainId(chainId)) {
-    throw new Error(`Parent chain not supported: ${chainId}`);
-  }
+  const parentChainId = validateParentChain(chainId);
 
   return extractChain({
     chains,
-    id: chainId,
+    id: parentChainId,
   }) as ParentChain;
 }