From: Chris Duncan <chris@codecow.com>
Date: Wed, 5 Aug 2026 01:58:21 +0000 (-0700)
Subject: Validate wallet refresh frontier contents.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=00cb5e6795e5d655f832f82b0ae87ea0f200edce;p=libnemo.git

Validate wallet refresh frontier contents.
---

diff --git a/src/lib/wallet/refresh.ts b/src/lib/wallet/refresh.ts
index ca9513a..15dc5c5 100644
--- a/src/lib/wallet/refresh.ts
+++ b/src/lib/wallet/refresh.ts
@@ -48,10 +48,17 @@ export async function _refresh (wallet: Wallet, rpc: unknown, from: unknown, to:
 			account.receivable = balances?.[account.address]?.receivable ?? 0
 			if (frontiers[account.address] != null) {
 				account.frontier = frontiers[account.address]
-				const { subtype, contents: { balance, link, previous, representative, signature } } = blocks[account.frontier]
+				const { subtype } = blocks[account.frontier]
 				if (!['change', 'epoch', 'open', 'receive', 'send'].includes(subtype)) {
-		throw new RangeError('Invalid subtype for account frontier block', { cause: subtype })
-	}
+					throw new RangeError('Invalid subtype for account frontier block', { cause: subtype })
+				}
+				const frontierContents: Record<string, string> = {}
+				for (const [k, v] of Object.entries(blocks[account.frontier].contents)) {
+					if (Schema.block_info.contents.fields.includes(k) && typeof v === 'string') {
+						frontierContents[k] = v
+					}
+				}
+				const { balance, link, previous, representative, signature } = frontierContents
 				account.representative = representative
 				const frontierBlock = new Block(account, balance, previous, representative)
 				if (typeof frontierBlock[subtype] !== 'function') {