Avoid blocks info callout if no frontiers found.

diff --git a/src/lib/wallet/refresh.ts b/src/lib/wallet/refresh.ts
index 43a6667372bf47efdafccf200fd79d891522fb35..0ced0601bb0207c32e6460946cbd3c91f1e3bf0d 100644 (file)
--- a/src/lib/wallet/refresh.ts
+++ b/src/lib/wallet/refresh.ts
@@ -31,8 +31,11 @@ export async function _refresh (wallet: Wallet, rpc: unknown, from: unknown, to:
                        json_block: true,
                        accounts: addresses
                }
-               const { frontiers }: AccountsFrontiersResponse = await rpc.post('accounts_frontiers', data)
-               const { blocks }: BlocksInfoResponse = await rpc.post('blocks_info', { json_block: true, include_not_found: true, hashes: Object.values(frontiers ?? {}) })
+               const resAccountsFrontiers: AccountsFrontiersResponse = await rpc.post('accounts_frontiers', data)
+               const frontiers = Object.values(resAccountsFrontiers.frontiers ?? Object.create(null))
+               const { blocks }: BlocksInfoResponse = frontiers.length > 0
+                       ? await rpc.post('blocks_info', { json_block: true, include_not_found: true, hashes: frontiers })
+                       : Object.create(null)
 
                for (const account of accounts.values()) {
                        const reqAccountInfo: AccountInfoRequest = {